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27
’’ LCD TV Color Monitor TCL LCD27VN
21
PC Control Block
No Display
Check U403 output
relative circuit and panel
control circuit
Check U403 crystal
X400 (14.318MHZ)
Check CN605, FPC
cable and panel
Replace X400
Check power supply for
1.8V, 2.5V, and 3.3V
Check relative circuit
Check CN300 Pin1, 2,
3 (R, G, B) and Pin13,
14(HS, VS)
Check relative circuit
Replace U403
NG
NG
NG
NG
OK
OK
OK
OK
OK
Содержание TCL LCD27VN
Страница 16: ...27 LCD TV Color Monitor TCL LCD27VN 16 Remove panel Remove the four screws...
Страница 17: ...27 LCD TV Color Monitor TCL LCD27VN 17 Remove the four screws The end...
Страница 25: ...27 LCD TV Color Monitor TCL LCD27VN 25 7 PCB Layout 7 1 Main Board...
Страница 26: ...27 LCD TV Color Monitor TCL LCD27VN 26...
Страница 27: ...27 LCD TV Color Monitor TCL LCD27VN 27...
Страница 28: ...27 LCD TV Color Monitor TCL LCD27VN 28...
Страница 29: ...27 LCD TV Color Monitor TCL LCD27VN 29 7 2 Power Board...
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Страница 31: ...27 LCD TV Color Monitor TCL LCD27VN 31 7 3 Key IR Board...
Страница 32: ...27 LCD TV Color Monitor TCL LCD27VN 32 7 4 Earphone Board...
Страница 34: ...27 LCD TV Color Monitor TCL LCD27VN 34 8 2 Power Board...
Страница 48: ...27 LCD TV Color Monitor TCL LCD27VN 48 10 Exploded View...